hotbox

• Существительное, обозначающее подшипник буксы (например, на железнодорожном вагоне), который перегрелся.

A noun referring to a journal bearing, such as on a railroad car, that has become overheated.

1. Overheated journal bearingC2formaltechnical

   A journal bearing, typically on a railroad car, that has become excessively hot due to friction or lack of lubrication.

   Перегретый подшипник

   • The train was delayed because a hotbox was detected on one of the cars.
   • Railroad workers regularly check for hotboxes to prevent axle failures.
   • The engineer noticed smoke coming from a hotbox and stopped the train immediately.